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Commit 8bed1285 authored by Florian Fainelli's avatar Florian Fainelli Committed by David S. Miller
Browse files

net: phy: expose phydev->has_fixups to sysfs



Expose the PHY device has_fixups boolean as a sysfs property to help
troubleshooting PHY configurations.

Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b0ae009f
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+10 −0
Original line number Diff line number Diff line
@@ -17,3 +17,13 @@ Description:
		Ethernet driver during bus enumeration, encoded in string.
		This interface mode is used to configure the Ethernet MAC with the
		appropriate mode for its data lines to the PHY hardware.

What:		/sys/bus/mdio_bus/devices/.../phy_has_fixups
Date:		February 2014
KernelVersion:	3.15
Contact:	netdev@vger.kernel.org
Description:
		This attribute contains the boolean value whether a given PHY
		device has had any "fixup" workaround running on it, encoded as
		a boolean. This information is provided to help troubleshooting
		PHY configurations.
+10 −0
Original line number Diff line number Diff line
@@ -441,9 +441,19 @@ phy_interface_show(struct device *dev, struct device_attribute *attr, char *buf)
}
static DEVICE_ATTR_RO(phy_interface);

static ssize_t
phy_has_fixups_show(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct phy_device *phydev = to_phy_device(dev);

	return sprintf(buf, "%d\n", phydev->has_fixups);
}
static DEVICE_ATTR_RO(phy_has_fixups);

static struct attribute *mdio_dev_attrs[] = {
	&dev_attr_phy_id.attr,
	&dev_attr_phy_interface.attr,
	&dev_attr_phy_has_fixups.attr,
	NULL,
};
ATTRIBUTE_GROUPS(mdio_dev);